$yellow: #fee44e;
$f-color: #43240c;
$grey: #877a73;
body{
    background: url('http://5b0988e595225.cdn.sohucs.com/images/20190905/30875b4183f24aadbbc745a74d799ec4.jpeg');
}
.login_box{
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 360px;
    height: 250px;
    background-color: #eeecdfd0;
    color: $f-color;
    text-align: center;
    box-shadow: $yellow 5px 5px 20px;
    h2{
        font-size: 28px;
        font-weight: bold;
        line-height: 70px;
    }
    input{
        height: 24px;
        margin-bottom: 20px;
    }
    button{
        width: 100px;
        height: 30px;
        background-color: $yellow;
        border: $f-color 2px solid;
        border-radius: 3px;
        &:hover{
            background-color: $f-color;
            color: $yellow;
            border: $yellow 2px solid;
        }
    }
    a{
        font-size: 12px;
        &:hover{
            color: red;
        }
    }
    
}